Marc Simont was an American illustrator and author, best known for his work in children's literature. Born on March 2, 1915, in Madrid, Spain, he moved to the United States as a child. Simont illustrated numerous books, collaborating with famous authors like Margaret Wise Brown and James Marshall. Throughout his career, Simont received several awards for his contributions to children's books, including the prestigious Caldecott Medal in 1957 for his illustrations in "A Tree Is Nice." His charming and expressive artwork has left a lasting impact on the world of children's literature, making him a beloved figure among readers and illustrators alike.